I'm afraid that it's not officially supported on any MacOS. It's detected via bluetooth but SteelSeries Engine 3 app not supported it and system not detect it for video games .

You can use other 3rd party apps to complete the mapping of buttons and the right device detection. But it's not possible use it officially. You only can use the gamepad with iPhone/iPad/AppleTV. I bought for this last one device.... but it will be great can enjoy it on MacOS :-(